72243920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:193

約数の個数: 160

約数和(自身を含む): 205701120

約数和(自身を除く): 133457200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 71, 79, 80, 92, 112, 115, 140, 142, 158, 161, 184, 230, 280, 284, 316, 322, 355, 368, 395, 460, 497, 553, 560, 568, 632, 644, 710, 790, 805, 920, 994, 1106, 1136, 1264, 1288, 1420, 1580, 1610, 1633, 1817, 1840, 1988, 2212, 2485, 2576, 2765, 2840, 3160, 3220, 3266, 3634, 3976, 4424, 4970, 5530, 5609, 5680, 6320, 6440, 6532, 7268, 7952, 8165, 8848, 9085, 9940, 11060, 11218, 11431, 12719, 12880, 13064, 14536, 16330, 18170, 19880, 22120, 22436, 22862, 25438, 26128, 28045, 29072, 32660, 36340, 39263, 39760, 44240, 44872, 45724, 50876, 56090, 57155, 63595, 65320, 72680, 78526, 89744, 91448, 101752, 112180, 114310, 127190, 129007, 130640, 145360, 157052, 182896, 196315, 203504, 224360, 228620, 254380, 258014, 314104, 392630, 448720, 457240, 508760, 516028, 628208, 645035, 785260, 903049, 914480, 1017520, 1032056, 1290070, 1570520, 1806098, 2064112, 2580140, 3141040, 3612196, 4515245, 5160280, 7224392, 9030490, 10320560, 14448784, 18060980, 36121960, 72243920]

約数ペア:

[(1, 72243920), (2, 36121960), (4, 18060980), (5, 14448784), (7, 10320560), (8, 9030490), (10, 7224392), (14, 5160280), (16, 4515245), (20, 3612196), (23, 3141040), (28, 2580140), (35, 2064112), (40, 1806098), (46, 1570520), (56, 1290070), (70, 1032056), (71, 1017520), (79, 914480), (80, 903049), (92, 785260), (112, 645035), (115, 628208), (140, 516028), (142, 508760), (158, 457240), (161, 448720), (184, 392630), (230, 314104), (280, 258014), (284, 254380), (316, 228620), (322, 224360), (355, 203504), (368, 196315), (395, 182896), (460, 157052), (497, 145360), (553, 130640), (560, 129007), (568, 127190), (632, 114310), (644, 112180), (710, 101752), (790, 91448), (805, 89744), (920, 78526), (994, 72680), (1106, 65320), (1136, 63595), (1264, 57155), (1288, 56090), (1420, 50876), (1580, 45724), (1610, 44872), (1633, 44240), (1817, 39760), (1840, 39263), (1988, 36340), (2212, 32660), (2485, 29072), (2576, 28045), (2765, 26128), (2840, 25438), (3160, 22862), (3220, 22436), (3266, 22120), (3634, 19880), (3976, 18170), (4424, 16330), (4970, 14536), (5530, 13064), (5609, 12880), (5680, 12719), (6320, 11431), (6440, 11218), (6532, 11060), (7268, 9940), (7952, 9085), (8165, 8848)]